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WESTON™ TPP
WESTON™ TPP is a versatile aryl phosphite ester antioxidant that regulates viscosity, improves color, and prevents scorch in a variety of polymers.
WESTON™ TPP is a phosphite ester antioxidant that can be used in a variety of materials, including adhesives, coatings, styrenics, and polyurethanes, to improve color stability, prevent scorch, and regulate viscosity. It acts as a catalyst adjuvant when used in polyolefins.
Specifications
Appearance: Clear liquid Specific gravity @ 25°C: 1.180–1.186 Acid number: 0.20 mg KOH/g max Refractive index @ 25°C: 1.5880–1.5900 Phosphorus content: 10% Color (APHA, Pt-Co): 50 max Molecular weight: 310 g/mol Flash point (closed cup): 146°C Viscosity @ 38°C: 10.2 cps Density @ 25°C: 1.18 g/mL Vapor pressure @ 5 mm Hg: 205°C Soluble: Most aprotic organic solvents Insoluble: Water
Primary Chemistry: Triphenyl phosphite
Features & Benefits
Regulates viscosity and improves color stability in polyester Catalyst adjuvant in polyolefins Prevents scorch during curing in polyurethanes
Problems Solved
Scorch or color-stability issues in coatings, adhesives, styrenics, or polyurethanes Viscosity changes or limited control in polyester formulations
The portfolio of WESTON™ liquid phosphite antioxidants offers excellent synergism, improved color, and processing stability and offers a variety of food contact approvals depending on your plastic applications.
The SI Group portfolio of WESTON™ phosphite antioxidants protects plastics and elastomers from peroxide decomposers and offers excellent synergism with primary antioxidants, such as hindered phenols.
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ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
Thank you
Thank you for your inquiry and interest in ChemPoint. We will respond to you shortly.
ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
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